Avocados will last a lot longer if stored properly, and experts have revealed a simple ingredient that keeps the fruit fresh for days. The popular fruit has become a staple in many UK households, but it can be frustrating to find the inside has turned brown and rotten after a day or two.
Why the water hack is risky
A common hack circulating on social media suggests storing sliced avocados in water to keep the unused half fresh, but not only is this method ineffective, it also poses a health risk. Submerging avocados in water creates a damp environment that fosters the growth of bacteria like salmonella. Even if the water appears clean, it will be contaminated, as any bacteria on the avocado skin will multiply rapidly.
The best way to store half an avocado
Experts at Appetise revealed the best way to keep half an avocado fresh is to simply coat the flesh with citrus juice. They said: "We've all been there you only needed half an avocado, and now you're left with the other half. But fear not! You can prevent it from turning brown and keep it fresh for later use. Start by drizzling the exposed flesh with some lemon or lime juice. The natural acidity acts as a shield against browning."
When you cut an avocado and expose its flesh to air, an enzyme is triggered, causing it to spoil and turn brown. Lemon juice has a low pH, which disrupts the activity of the enzyme. The juice also forms a protective barrier over the flesh to prevent it from spoiling prematurely.
Other storage tricks and health benefits
To extend the life of a halved avocado, simply drizzle it with lemon juice, wrap it snuggly in cling film, and place it in an airtight container to minimise air exposure. Doing so can keep your avocado fresh for several more days. For those lacking lemon juice and aiming for a savoury twist, storing an avocado with an onion slice is another clever trick. An expert said: "The sulphur compounds contained in the onion help slow down oxidation, preventing browning. Store the avocado in an airtight container in the refrigerator, and it should stay fresh for an extra day or two."
However, it's worth noting that onions can impart their flavour to the avocado, which might not be ideal for all dishes. When whipping up guacamole, the onion method is perfectly suitable, but for those planning a smoothie, stick to using lemon to keep that avocado ready for blending.
Avocados are packed with heart-healthy monounsaturated fats, high amounts of dietary fibre, and essential vitamins and minerals that support overall health. They contain more fibre than most other fruits, promoting regular bowel movements and supporting gut health. They also act as a nutrient booster by helping your body absorb fat-soluble vitamins like vitamins A, D, E and K from other foods.
